<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>APP1</title>
    <script src="./jquery-3.5.1.min.js"></script>
</head>
<body>
<h1>Hello APP1!</h1>
<h2 th:text="username + ': ' + ${username}"></h2>
<a href="http://localhost:9090/logout">退出登录</a>
</body>
</html>